Question: When was Alva Myrdal married to Gunnar Myrdal?
Paraphrase: In which year did Alva Mydral marry Gunnar Myrdal?
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q152452 p:P26 ?s . ?s ps:P26 wd:Q152437 . ?s pq:P580 ?value}